Serotonin got famous as the joy chemical—the one that could lift depression and put us in a good mood. It’s also in the venom of many animals, from hornets to snakes, and in some cases it’s lethal.
The results of a 5-year study of adolescents in The Netherlands shows that young people with a certain gene variant are more vulnerable to depression when they smoke pot.
Will soldiers of the future be given serotonin depressors to make them depressed and therefore fearless? A new study released Friday shows that people with a low level of serotonin do not "reflexively avoid" bad situations, and are more likely to explore risky and dangerous places. This is a sorry state in everyday…